- Full-time doctor at Samsung Seoul Hospital
- Full-time lecturer at Eulji University Hospital
- Professor, Catholic Kwandong University School of Medicine
- Professor at Catholic Kwandong University
- Training at the University of California, Irvine Pain Center, USA
- Professor at Catholic Kwandong University International St. Mary's Hospital
- Regular member of the Korean Society of Anesthesiology and Pain
- Regular member of the Korean Spine Pain Society
- Regular member of the Korean Pain Society
